How to Fix League of Legends Error Code 003

League of Legends is undoubtedly a famous online multiplayer game, but many users complain that they face League of Legends error code 003 when they try to log in to the LoL servers. If you want to fix League of Legends error 003 on your Windows 10 PC, you have to know the reasons that cause this problem. This covers all the reasons that cause the problem that helps you understand how to fix error code 003 League of Legends on your Windows 10 PC.

How to Fix League of Legends Error Code 003

Several reasons contribute to League of Legends error code 003 on your Windows 10 PC. Here are a few of them.

• De lansearre spultsje hat net bestjoerlike rjochten. Hence, your PC does not allow it to patch.
• Der is gjin genôch romte op jo PC. Patching (de aksje om ekstra koades op te nimmen om gaming te ferbetterjen) hat wat romte nedich.
• De ynstallaasjebestannen en konfiguraasjebestannen fan it spultsje binne korrupt en moatte wurde ferfongen.
• It spultsje client is korrupt of brutsen op jo PC.
• De overprotective antivirus programma of firewall is blokkearje it spultsje.
• ferâldere Windows 10 operating system and network drivers.
• Dêr is no stable internet connection to launch and play the game.
• Der kin wêze misconfigured game installation files.
• It kin wêze fanwege Inappropriate network settings and DNS address configurations.

Continue reading this article to fix League of Legends error 003.

Metoade 1: Basisstappen foar probleemoplossing

Firstly let us perform some of basic methods to solve the error.

1A. Restart PC

The general trick to resolve all the temporary glitches associated with League of Legends is to restart your computer. You can restart your PC by following the steps as instructed in our guide 6 Ways to Reboot or Restart a Windows 10 Computer.

1B. Monitor Server Uptime

Very often, you may face League of Legends error code 003 due to problems from the server side. To check whether the server is offline or it has some technical problems, follow the below-mentioned steps.

1. Besykje de offisjele Riot server status update page.

2. Dan, rôlje omleech en selektearje League of Legends.

3. Selektearje dan dyn Regio en taal trochgean.

On the next page, you can see any notifications for server-end errors. If there are any, you have to wait until they are resolved.

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1C. Re-sign into Game

Jo kinne de besprutsen flater ek reparearje troch jo út it spultsje te loggen foardat in flaterberjocht freget. Jo kinne dan in skoft wachtsje of jo kompjûter opnij starte. Meld jo dan wer oan lykas hjirûnder ynstruearre.

1. When you are in the game, press Alt + F4 toetsen.

2. No, klikje op Út logge.

3. Slút de wedstriid en start jo PC opnij op.

4. Fier jo krigen and log in to the game again.

1D. Troubleshoot Internet Connection

There may be some network or bandwidth issues that reduce your internet speed and disrupt your connection. Make sure your connection is stable and has good speed. Visit the Speedtest site and run speed test to check your speed. To resolve this error, you must have a connection speed of at least 5-10 MBPS. Follow our guide to troubleshoot network connectivity on Windows 10.

1E. Stel juste datum- en tiidynstellingen yn

Incorrect date and time settings in your computer may contribute to League of Legends error code 003 on Windows PC. To sync the date, region, and time settings in your Windows 10 computer, follow the below-listed instructions.

1. Druk op de Windows + I toetsen tegearre te iepenjen Windows ynstellings.

2. No, selektearje de Tiid & Taal opsje lykas werjûn.

3. Folgjende, yn 'e Datum tiid tab, soargje foar de twa wearden Stel de tiid automatysk yn en Stel de tiidsône automatysk yn opsjes binne oanstutsen.

4. Klik dan op No syngronisearje lykas hjirboppe markearre. Kontrolearje oft it probleem is oplost of net.

Lês ek: Hoe kinne jo jo Riot-akkount wiskje

1F. Slút alle eftergrûnprosessen

As d'r tefolle eftergrûnprosessen binne op jo Windows 10 PC, kinne jo net sa maklik tagong krije ta jo netwurkferbining, om't al dy taken in diel fan it netwurk sille nimme. Ek sil RAM-konsumpsje mear wêze en de prestaasjes fan it spultsje sille blykber fertrage.

Folgje ús hantlieding How to End Task yn Windows 10 om alle oare eftergrûnprosessen op jo te sluten Windows 10 PC.

Nei it sluten fan alle eftergrûnprosessen, kontrolearje as de besprutsen flater yn League of Legends is reparearre of net.

1G. Update Windows OS

All the bugs and erroneous patches in your computer can be fixed by Windows update. Microsoft releases frequent updates to fix all these problems.

Soargje derfoar dat jo de bywurke ferzje fan it Windows-bestjoeringssysteem brûke en as der updates yn aksje binne, brûk dan ús hantlieding Hoe kinne jo downloade en ynstallearje Windows 10 Lêste fernijing

After updating your Windows Operating System, check if you are able to fix League of Legends Error code 003.

1H. Update Network Drivers

If you want to enjoy any games without any errors, your drivers must be in a perfect state. If the drivers are outdated or faulty, make sure you update them. You can search for the newest releases of drivers from its official websites, or you can update them manually.

Follow our guide on How to Update Network Adapter Drivers on Windows 10 to update your driver and check if you have fixed the discussed issue in LoL.

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1I. Roll Back Network Drivers

Sometimes, the current version of your network drivers may cause conflicts in your game, and in this case, you have to restore previous versions of installed drivers. This process is called weromdraaien fan bestjoerders en jo kinne jo kompjûterbestjoerders maklik weromrolle nei har foarige steat troch ús hantlieding te folgjen Hoe kinne jo sjauffeurs weromdraaie op Windows 10.

1J. Netwurkbestjoerders opnij ynstallearje

If you do not know how to fix error code 003 League of Legends after updating your network drivers, then reinstall the drivers to fix any incompatibility issues. There are several ways to reinstall drivers on your computer. Yet, you can easily reinstall network adapter drivers as instructed in our guide How to Uninstall and Reinstall Drivers on Windows 10.

After reinstalling network drivers, check if you can access League of Legends without any errors.

1K. Disable Antivirus Temporarily ( if applicable)

One other possible reason that causes the discussed issue is your security suite. When your antivirus programs detect LoL files and folders as a threat, you will face several conflicts. So, read our guide on How to Disable Antivirus Temporarily on Windows 10 and follow the instructions to disable your antivirus program temporarily on your PC.

After you fix League of Legends error code 003 on your Windows 10 PC, make sure to re-enable the antivirus program since a computer without a security suite is always a threat.

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1L. Disable Windows Defender Firewall

Soms kin Windows Defender Firewall op jo kompjûter foarkomme dat it spultsje wurdt iepene troch guon feiligens redenen. As jo ​​​​net witte hoe't jo de Windows Defender Firewall útskeakelje, gean dan troch ús gids Hoe kinne jo Windows 10 Firewall útskeakelje, en folgje de ynstruksjes dy't wurde jûn.

Jo kinne dizze hantlieding folgje Apps tastean of blokkearje fia de Windows Firewall om de app ta te stean.

Soargje derfoar dat jo de Firewall-suite opnij ynskeakelje nei it reparearjen fan it probleem yn LoL, om't in kompjûter sûnder in firewall-programma in bedriging is.

Metoade 2: Run League of Legends as behearder

Om League of Legends-flaterkoade 003 op jo Windows 10-kompjûter te foarkommen, rinne League of Legends as behearder lykas hjirûnder ynstruearre.

1. Rjochts-klikke op de League of Legends ferpleatse on the desktop or navigate to the ynstallaasje triemtafel en klik der mei rjochts op.

2. No, selektearje de eigenskippen opsje.

3. Dan, oerskeakelje nei de Compatibility ljepper en kontrolearje it fakje Dit programma útfiere as behearder.

4. As lêste, klik op Tapasse en OK om de wizigingen op te slaan.

Method 3: Delete LoL_air_client Folder in File Explorer (If Applicable)

In oare ienfâldige manier om League of Legends Error 003 te reparearjen is in spesifike map te wiskjen yn File Explorer. Dit ferwideret de korrupte komponinten yn jo Windows 10 ferbûn mei it spultsje. Hjir binne in pear stappen om de map te wiskjen.

1. Hit de Windows + E toetsen tegearre te iepenjen File Explorer.

2. No, navigearje nei de folgjende lokaasje en iepenje it.

C:Riot GamesLeague of LegendsRADSprojects 

Noat: Jo kinne ek de map lol_air_client op in oare lokaasje fine. Jou in bytsje ekstra omtinken foar it finen fan de map.

3. No, rjochts-klikke op de lol_air_client folder en klikje op 'e wiskje opsje.

Sadree't jo de map wiske hawwe, opnij begjinne jo kompjûter en kontrolearje as jo it probleem hawwe reparearre yn League of Legends.

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Metoade 4: Triemhosts oanpasse

If the host file has edited entries of League of Legends, you will face fix League of Legends error 003 issue. Hence, you have to remove the entries to resolve the same. Here are a few instructions to tweak hosts entries.

1. Parse Windows + E toetsen tegearre te iepenjen File Explorer.

2. No, oerskeakelje nei de Fisy ljepper en kontrolearje de Hidden items fak yn 'e Sjen litte Ferstopje ôfdieling.

3. Now, copy and paste the following path into the navigation paad of File Explorer.

C: WindowsSystem32driversetc

4. No, selektearje en rjochts-klikke op de hosts triem en selektearje de Iepenje mei opsje lykas werjûn.

5. No, selektearje de Notepad opsje út de list en klikje op OK lykas ôfbylde.

6. No, de hosts triem sil wurde iepene yn Notepad as folget.

7. Foegje dizze rigel 67.69.196.42 l3cdn.riotgames.com nei de boaiem fan 'e triem.

8. No, bewarje de triem troch te klikken op Ctrl+ S keys mei-inoar.

9. Útgong Notepad en kontrolearje as jo it besprutsen probleem hawwe reparearre.

Metoade 5: DNS-cache en gegevens wiskje

In pear brûkers hawwe suggerearre dat it wiskjen fan de DNS-cache en gegevens op jo PC har holpen hat om besykjen om mei te dwaan oan wachtrige mislearre probleem te reparearjen. Folgje as ynstruearre.

1. Hit de Windows-kaai en type cmd. Dan klikje op Iepen.

2. No, typ it folgjende kommando's ien foar ien. Slaan Enter kaai nei elk kommando.

ipconfig / flushdns
ipconfig/registerdns
ipconfig / release
ipconfig / fernijing
netsh winsock reset

3. Wachtsje foar de kommando's wurde útfierd en opnij begjinne jo PC.

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Metoade 6: Rydromte wiskje

If your PC does not have any drive space to install any new patches from the game, you cannot fix League of Legends error code 003. Hence, firstly check the drive space and clean the temporary files if necessary. To check the drive space in your Windows 10 PC, check the disk space under Apparaten en bestjoerders as shown. If they are in red, it indicates the minimum available space.

If there is minimum available space in your computer contributing to the discussed problem, follow our guide 10 Ways to Free Up Hard Disk Space On Windows, which helps you clear all unnecessary files in your computer.

Metoade 7: DNS-adres feroarje

Several users have suggested that switching to Google DNS addresses may help you fix League of Legends error 003. If you launch the game properly and face an error prompt, follow our guide to change the DNS address. This will help you fix all DNS (Domain Name System) problems so you can launch the game without any hustles.

After changing your DNS address, check if you can launch LoL without an error screen.

Metoade 8: Brûk Virtual Private Network

Still, if you are unable to fix your problem, you can try using Virtual Private Network. It ensures to keep your connection is more private and encrypted. You can change the geographic region with the help of VPN settings so you can fix the discussed issue easily. Although there are so many free VPNs available over the internet, you are advised to use a reliable VPN service to enjoy premium versions and features.

Sjoch ús gids Wat is in VPN en hoe't it wurket? om mear te learen oer Virtual Private Limited.

If you are confused about how to set up a VPN on your Windows 10 computer, follow our guide on How to set up a VPN on Windows 10 and implement the same.

As jo ​​​​ienris in VPN-ferbining hawwe ynsteld, kontrolearje as jo it besprutsen probleem hawwe reparearre.

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Metoade 9: Netwurkynstellingen weromsette

Several users have declared that resetting network settings will resolve strange network connection issues. This method will forget all the network configuration settings, saved credentials, and a lot more security software like VPN and antivirus programs.

Om dit te dwaan, folgje ús hantlieding oer Hoe kinne jo netwurkynstellingen weromsette op Windows 10

Metoade 10: Spultsje opnij ynstallearje

Any misconfigured files in League of Legends will lead to an error code 003 League of Legends issue even if you have followed all the above-discussed methods and updated all the pending actions. So, in this case, you have no other option than to reinstall the game. The game is tied up with your account and when you reinstall the game, you will not lose your progress. Here is how to reinstall League of Legends.

1. Hit de Windows-kaai en type apps en funksjes, Klikje dan op Iepen.

2. Skow del en klik op League of Legends, Selektearje dan -ynstallaasje.

3. As jo ​​wurde frege, klik nochris op -ynstallaasje.

4. No, klikje op Klear.

5. Hit de Windows-kaai, type % localappdata% en klikje op Iepen.

6. Dûbelklik op Riotspultsjes om de map te iepenjen.

7. No, rjochts-klikke op de Ynstallearje League of Legends eu map en selektearje wiskje.

8. Druk op de Windows-kaai, type %applikaasjegegevens% en drukke de Enter kaai.

9. Wiskje de League of Legends map lykas earder dien.

10. No, reboot de PC.

11. Dan, gean nei de League of Legends offisjele webside download side en klikje op 'e PLAY FERGESE opsje.

12. Fier jo E-postadres en klikje op START.

13. Selektearje jo Bertedatum in the next step and click on NEXT.

14. Now, fill in the USERNAME, PASSWORD, and CONFIRM PASSWORD fjilden.

15. Check the option I agree to the Terms of Service and I have read and acknowledge the Privacy Notice.

16. Klik dan op NEXT.

17. No, klik op de DOWNLOAD FOAR WINDOWS knop.

18. Klik op 'e downloaded installer file to install and run the game.

19. Klik op 'e Ynstallearje button in the prompt.

20. Finally, relaunch the wedstriid and now you will have a fix for the discussed issue.

Noat: In protte brûkers en online foarums hawwe rapporteare dat it opnij ynstallearjen fan it spultsje mei it Hextech Repair-ark holp de flater te reparearjen. Besykje de offisjele side fan Hextech Repair-ark en download it programma. It is fergees fan kosten, dus as jo it ark ynstallearje en starte, sille jo in opsje sjen om it spultsje opnij te ynstallearjen. Folgje de ynstruksjes om it probleem op te lossen.

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Wy hoopje dat dizze gids nuttich wie en dat jo koenen reparearje League of Legends error code 003 on your device. Let us know what you want to learn about next. Also, if you have any queries/suggestions regarding this article, then feel free to drop them in the comments section.